Mines in Grafton County, New Hampshire
248Total
10Active
Grafton County, New Hampshire has 248 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 10 of these are currently active mining operations. The most commonly recorded commodity is mica, with 90 sites. The table below lists all recorded mines in the county with links to individual site details.
All Mines in Grafton County
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| Aggregate Based Products | Construction Sand and Gravel | Surface | Active | MSHA |
| Central Nh Aggregates, Llc | Construction Sand and Gravel | Surface | Active | MSHA |
| Lebanon Crushed Stone C623 | Crushed, Broken Granite | Surface | Active | MSHA |
| Warren Sand & Gravel Inc | Construction Sand and Gravel | Surface | Active | MSHA |
| Campton Sand & Gravel | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Ford Mine | Beryllium, Mica, Feldspar | Surface-Underground | Producer | MRDS |
| Lebanon Crushed Stone Inc Quarry | Stone, Crushed/Broken | Producer | MRDS | |
| Orford Pit & Mill | Sand and Gravel, Construction | Surface | Producer | MRDS |
| Pattuck Mica Mine | Feldspar, Niobium (Columbium), Tantalum, Mica, Beryllium | Producer | MRDS | |
| Twin State Sand & Gravel | Sand and Gravel, Construction | Surface | Producer | MRDS |
| 49 Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| A. Rousseau Property | Mica | Prospect | MRDS | |
| Acme Mica Prospect | Feldspar | Surface | Prospect | MRDS |
| Advanced Aggregate Materials Corp | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| African Mica Mine | Mica | Surface | Prospect | MRDS |
| Alger Mine | Stone, Crushed/Broken | Surface | Past Producer | MRDS |
| Alger No. 1 Mine | Mica | Surface | Past Producer | MRDS |
| Amos Locke Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Ash Hill Quartz | Silica | Prospect | MRDS | |
| Ashland Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Ashland Sand and Gravel | Sand and Gravel, Construction | Past Producer | MRDS | |
| Ashley Mica Prospect | Mica | Surface | Prospect | MRDS |
| Atwood Au Mine | Gold | Past Producer | MRDS | |
| Atwood Mica Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Bailey Hill Prospect | Beryllium, Feldspar | Prospect | MRDS | |
| Banks Pinnacle Quartz | Silica | Prospect | MRDS | |
| Belden Mica Mine | Mica | Surface-Underground | Prospect | MRDS |
| Benton Enterprises Gravel Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Bethlehem Earth Materials | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Blaisdell Sand & Gravel | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Boardman Mine | Beryllium, Mica, Feldspar | Surface-Underground | Past Producer | MRDS |
| Bog Rd Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Brown Lot Mica Mine | Mica | Surface | Prospect | MRDS |
| Brown Lot No. 10 Feldspar Quarry | Feldspar | Surface | Prospect | MRDS |
| Brown Mica Mine | Feldspar | Surface | Prospect | MRDS |
| Buffum Mica Mine | Mica | Surface | Prospect | MRDS |
| Burgess Prospect | Feldspar | Surface | Prospect | MRDS |
| Cec Roadrunner 400 Series Portable Jaw | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Caleponia Inc | Sand and Gravel, Construction | Past Producer | MRDS | |
| Campton Sand & Gravel C616 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Campton Sand and Gravel Inc | Sand and Gravel, Construction | Past Producer | MRDS | |
| Carpenter Mica Mine | Mica | Surface | Past Producer | MRDS |
| Carter Farm Mica Prospect | Mica | Prospect | MRDS | |
| Charles Davis Mica Mine | Mica | Surface | Past Producer | MRDS |
| Charles Ford Prospect | Mica | Prospect | MRDS | |
| Cleaveland Mine? | Copper | Past Producer | MRDS | |
| Clement Prospect | Mica | Prospect | MRDS | |
| Coleman Mica Mine | Mica | Surface | Prospect | MRDS |
| Compton Sand & Gravel C616 | Sand and Gravel, Construction | Unknown | MRDS | |
| Conkey's Bog Road Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Copper Mine | Copper | Past Producer | MRDS | |
| Copper Mine | Copper | Past Producer | MRDS | |
| Copper Mine | Copper | Surface-Underground | Past Producer | MRDS |
| Cotton Prospect | Feldspar | Surface | Prospect | MRDS |
| Cottonstone Mountain Quarry | Talc-Soapstone | Surface | Past Producer | MRDS |
| Craylip Mica Prospect | Feldspar | Surface | Prospect | MRDS |
| Cross Hill Mine | Iron | Past Producer | MRDS | |
| Crystal Mica Mines | Mica | Surface-Underground | Prospect | MRDS |
| Demott Mica Mine | Mica | Surface | Prospect | MRDS |
| E. E. Smith Mica Mines | Mica | Surface-Underground | Past Producer | MRDS |
| Exit 43 Littleton Quarry | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| East Pond Diatomite | Diatomite | Offshore | Past Producer | MRDS |
| Edgar Woods Property | Silica | Prospect | MRDS | |
| Eight-Ball Mica Prospect | Mica | Prospect | MRDS | |
| Estabrook Farm Deposit | Molybdenum | Surface | Occurrence | MRDS |
| Evans & Alger | Beryllium | Past Producer | MRDS | |
| Evans Mine | Beryllium, Mica, Feldspar | Surface-Underground | Past Producer | MRDS |
| Extec E-7 Portable Screen | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Extec Robotrac Portable Screen | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Fairburn Mica Prospect | Mica | Surface | Prospect | MRDS |
| Farnum Hill Copper Prospect | Copper, Iron, Pig Iron | Occurrence | MRDS | |
| Farnum Hill Prospect | Copper | Surface-Underground | Prospect | MRDS |
| Fellows Mica Mine | Feldspar | Surface-Underground | Prospect | MRDS |
| Fletcher Mine | Mica | Surface | Prospect | MRDS |
| Forsyth Mine | Copper | Past Producer | MRDS | |
| Forsyth Mine | Underground | Past Producer | MRDS | |
| Franconia Pit | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Franham Hill Cu Prospect | Copper | Occurrence | MRDS | |
| French Pond Crushing | Sand and Gravel, Construction | Unknown | MRDS | |
| Gardner Mountain Mine | Underground | Past Producer | MRDS | |
| Gardner Mt. Mine/gregory Mine/quint Mine | Copper | Past Producer | MRDS | |
| Gove Prospect | Mica | Prospect | MRDS | |
| Grafton Fertilizer Mine | Gold, Stone, Crushed/Broken | Underground | Past Producer | MRDS |
| Grafton Pit | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Granite State Copper Mine | Copper | Underground | Past Producer | MRDS |
| Granite State Paddock Mine | Copper | Past Producer | MRDS | |
| Gregory Mine | Underground | Past Producer | MRDS | |
| Hackett Mine | Mica | Surface | Prospect | MRDS |
| Hale Mica Mine | Mica | Surface | Prospect | MRDS |
| Hanley Pasture Lot | Mica | Surface | Past Producer | MRDS |
| Hartl-Model Pc1265j-Portable Crusher | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Haviland Copper Mine | Copper | Underground | Past Producer | MRDS |
| Haviland Mine | Copper | Past Producer | MRDS | |
| Hilltop Quarry | Dimension Sandstone | Surface | Intermittent | MSHA |
| Holt's Ledge Scheelite Mine | Tungsten | Past Producer | MRDS | |
| Holts Ledge Prospect | Molybdenum | Surface | Occurrence | MRDS |
| Holts Ledge Scheelite | Tungsten | Past Producer | MRDS | |
| Hoyt Hill Mica Mine | Mica | Surface | Past Producer | MRDS |
| Hoyt and Jewell Properties | Mica | Prospect | MRDS | |
| Huntoon Mine | Lead | Underground | Past Producer | MRDS |
| Hutchins Hill Mica Mine | Mica | Surface-Underground | Prospect | MRDS |
| Itaska Mica Mine | Mica | Surface | Prospect | MRDS |
| J.p.currier Deposit | Feldspar | Surface | Past Producer | MRDS |
| Judd Jones Prospect | Copper | Prospect | MRDS | |
| Keniston Mica Prospect | Mica | Prospect | MRDS | |
| Keyes Mica Mines, No. 1 & 2 | Mica | Surface | Prospect | MRDS |
| Keyes Mica Mines, No. 3 & 4 | Mica | Surface | Prospect | MRDS |
| Keyes Mica Mines, No. 5 & 6 | Mica | Surface-Underground | Prospect | MRDS |
| Kilton Mica Mine | Feldspar | Surface-Underground | Prospect | MRDS |
| Kimball Hill Mica Mine | Feldspar | Surface | Prospect | MRDS |
| King Mine | Copper | Past Producer | MRDS | |
| King Pegmatite Deposit | Beryllium | Prospect | MRDS | |
| Lang Mine | Copper | Underground | Past Producer | MRDS |
| Lead Mine | Lead | Past Producer | MRDS | |
| Lead Mine | Lead | Surface-Underground | Past Producer | MRDS |
| Lebanon I89 Roadcut Cu/moly Showings | Sulfur-Pyrite, Copper, Molybdenum, Lead | Occurrence | MRDS | |
| Lebanon Mine | Lead | Underground | Prospect | MRDS |
| Lebanon Sand and Gravel | Sand and Gravel, Construction | Surface | Past Producer | MRDS |
| Leggett Mica Prospect | Mica | Surface | Prospect | MRDS |
| Marston Mica Mine | Mica | Surface | Prospect | MRDS |
| McDonnell Mine | Mica, Feldspar | Surface | Past Producer | MRDS |
| McGinnis Mica Mine | Mica | Surface-Underground | Prospect | MRDS |
| Mertch Mica Prospect | Mica | Prospect | MRDS | |
| Metso Lokotrack Lt106 Portable Jaw | Crushed, Broken Stone NEC | Surface | Intermittent | MSHA |
| Mispickel Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Monarch Mica Mine | Mica | Underground | Prospect | MRDS |
| Morgan Mica Prospect | Mica | Prospect | MRDS | |
| Moses's Sillimanite Prospect | Kyanite | Prospect | MRDS | |
| Mount Tug Junior Quartzite | Silica | Prospect | MRDS | |
| Mt. Cardigan State Park Prospect B | Mica | Prospect | MRDS | |
| Mt. Cardigan State Park Prospect De | Mica | Prospect | MRDS | |
| Mt. Cube Quartzite | Silica | Prospect | MRDS | |
| Mt. Tug Prospects | Beryllium, Feldspar, Mica | Prospect | MRDS | |
| Mud Mica Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Nancy No. 1 Mica Mine | Mica | Surface | Past Producer | MRDS |
| Nancy No. 2 Mica Mine | Feldspar | Surface-Underground | Past Producer | MRDS |
| New Gove Mica Prospect | Feldspar | Prospect | MRDS | |
| New Hill Mica Mine | Mica | Surface | Prospect | MRDS |
| Nick's Aggregates | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Nickerson Mine | Mica | Surface-Underground | Prospect | MRDS |
| North Groton | Mica | Past Producer | MRDS | |
| North Groton | Unknown | MRDS | ||
| North Peak Quartzite | Silica | Prospect | MRDS | |
| North Woodstock Mine | Underground | Past Producer | MRDS | |
| Old Brickyard | Clay | Surface | Past Producer | MRDS |
| Old Copper Mine | Copper | Past Producer | MRDS | |
| Old Lead Mine | Lead | Past Producer | MRDS | |
| Old Mine | Lead | Past Producer | MRDS | |
| Old Mine | Lead | Past Producer | MRDS | |
| Orange Pond Diatomite | Diatomite | Offshore | Past Producer | MRDS |
| Ore Hill | Zinc, Lead, Copper | Past Producer | MRDS | |
| Ore Hill Mine Warren Mine | Lead | Past Producer | MRDS | |
| Ore Hill Zinc-Lead Mine. | Underground | Past Producer | MRDS | |
| Ore Hill, Franconia Iron Mine | Iron | Past Producer | MRDS | |
| Orfordville Prospects | Talc-Soapstone | Occurrence | MRDS | |
| Orfordville Quarry | Talc-Soapstone | Surface | Past Producer | MRDS |
| Paddock Lead Mine | Lead | Past Producer | MRDS | |
| Paddock Mine | Lead | Past Producer | MRDS | |
| Paddock Mine Shaft Number Two | Underground | Past Producer | MRDS | |
| Page Mine | Mica | Prospect | MRDS | |
| Page Quarry | Talc-Soapstone | Surface | Past Producer | MRDS |
| Palermo No. 1 Mine | Feldspar | Surface-Underground | Past Producer | MRDS |
| Palermo No. 2 Mica Mine | Mica | Surface | Prospect | MRDS |
| Palermo No. 3 Mica Mine | Mica | Surface | Prospect | MRDS |
| Palermo1 | Beryllium | Past Producer | MRDS | |
| Pattuck Mica Mine | Mica | Surface | Past Producer | MRDS |
| Pattuck Mine/e.e. Smith | Beryllium | Past Producer | MRDS | |
| Pegmatite No. 1 | Mica | Occurrence | MRDS | |
| Pegmatite No. 11 | Mica | Prospect | MRDS | |
| Pegmatite No. 16 | Mica | Prospect | MRDS | |
| Pegmatite No. 18 | Mica | Occurrence | MRDS | |
| Pegmatite No. 19 | Mica | Occurrence | MRDS | |
| Pegmatite No. 2 | Mica | Occurrence | MRDS | |
| Pegmatite No. 22 | Mica | Unknown | MRDS | |
| Pegmatite No. 27 | Mica | Prospect | MRDS | |
| Pegmatite No. 6 | Mica | Prospect | MRDS | |
| Pegmatites No. 10 To 15 | Mica | Occurrence | MRDS | |
| Pegmatites No. 12 To 15 | Mica | Prospect | MRDS | |
| Pegmatites No. 16 & 17 | Mica | Occurrence | MRDS | |
| Pegmatites No. 17 & 18 | Mica | Prospect | MRDS | |
| Pegmatites No. 19 & 20 | Mica | Prospect | MRDS | |
| Pegmatites No. 20 & 21 | Mica | Occurrence | MRDS | |
| Pegmatites No. 21 To 24 | Mica | Occurrence | MRDS | |
| Pegmatites No. 25 & 26 | Prospect | MRDS | ||
| Pegmatites No. 4 & 5 | Mica | Prospect | MRDS | |
| Pegmatites No. 4, 5, 7, 8, & 9 | Mica | Occurrence | MRDS | |
| Pegmatites No. 6 & 7 | Mica | Surface | Prospect | MRDS |
| Piermont Mine | Iron | Past Producer | MRDS | |
| Pike's Ledge Pegmatite | Mica | Surface-Underground | Prospect | MRDS |
| Pinnacle Mica Mine | Mica | Surface | Prospect | MRDS |
| Pinnacle Prospects | Beryllium, Mica, Feldspar | Prospect | MRDS | |
| Plume Mine | Mica | Surface | Past Producer | MRDS |
| Polly Drew Mine | Mica | Surface | Past Producer | MRDS |
| Portable Crushing Plant #1 | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Portable Plant | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Portable Plant #1 | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Post Hill Scheelite Showing | Tungsten | Occurrence | MRDS | |
| Prescott Mica Prospect | Granite | Surface | Prospect | MRDS |
| Prospect Hill Mine | Silver, Gold, Copper | Underground | Past Producer | MRDS |
| Quint Mine | Underground | Past Producer | MRDS | |
| Ralph Peaslee Prospect | Mica | Prospect | MRDS | |
| Reservoir Hill Mine | Lead, Silver | Past Producer | MRDS | |
| Reservoir Hill Mine | Lead | Surface-Underground | Past Producer | MRDS |
| Reynold's Beryl Mine | Beryllium, Mica | Surface | Past Producer | MRDS |
| Rice Mine | Feldspar | Surface-Underground | Prospect | MRDS |
| Rice-Palermo Area | Mica | Surface | Prospect | MRDS |
| Rice-Palermo Area | Feldspar | Occurrence | MRDS | |
| Rogers Feldspar Prospect | Feldspar | Surface | Prospect | MRDS |
| Roy Farm Mine | Gold | Underground | Prospect | MRDS |
| Royal Weeden Prospect | Molybdenum | Prospect | MRDS | |
| Ruby & Barney Mines | Feldspar | Surface | Prospect | MRDS |
| Ruggles Feldspar-Mica Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Rumney Or Merrill Mine | Lead | Past Producer | MRDS | |
| S. J. Pointon Property | Zinc | Surface | Occurrence | MRDS |
| Saunders Mica Mine | Mica | Surface-Underground | Prospect | MRDS |
| Signal Hill Deposit | Kyanite | Occurrence | MRDS | |
| Standard Mica Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Stevens Mine | Copper | Underground | Past Producer | MRDS |
| Stevens Mine/lang Mine | Copper | Past Producer | MRDS | |
| Stone Feldspar Prospect | Feldspar | Surface | Prospect | MRDS |
| Strain Mica Mine | Mica | Surface | Past Producer | MRDS |
| Sugar Hill Mine | Iron | Surface | Past Producer | MRDS |
| Twin State Sand & Gravel Co., Inc. | Crushed, Broken Limestone NEC | Surface | Abandoned | MSHA |
| Tenney Farm Prospect | Mica | Surface | Prospect | MRDS |
| Terex-Finley 1540c Portable Cone | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Thomas Saville Mine | Copper | Underground | Past Producer | MRDS |
| Thurman Powell Prospect | Feldspar | Surface | Prospect | MRDS |
| Tilton Pit | Construction Sand and Gravel | Surface | Abandoned | MSHA |
| Tilton Sand & Gravel Pit | Sand and Gravel, Construction | Unknown | MRDS | |
| Trevina Hill & Dodge Mine/new England Mines | Gold | Past Producer | MRDS | |
| Truman Patten Mine | Mica | Surface | Prospect | MRDS |
| Twin States Sand and Gravel | Sand and Gravel, Construction | Past Producer | MRDS | |
| Union Mica Mine & Prospects | Mica | Surface-Underground | Prospect | MRDS |
| United Mica Mine | Mica | Surface-Underground | Past Producer | MRDS |
| Unnamed | Copper | Past Producer | MRDS | |
| Unnamed | Copper | Past Producer | MRDS | |
| Unnamed | Lead | Past Producer | MRDS | |
| Valencia Mica Mine | Mica | Surface | Prospect | MRDS |
| W. M. Pettes Prospect | Mica | Prospect | MRDS | |
| Wadhams-Tucker Mica Mine | Mica | Surface-Underground | Prospect | MRDS |
| White Mountain Gold Mine | Gold | Underground | Past Producer | MRDS |
| White Mountain Mica Company Mine | Mica | Surface | Prospect | MRDS |
| Will Shepherd Prospect | Mica | Prospect | MRDS | |
| Williams Mica Prospect | Mica | Surface | Prospect | MRDS |
| Winslow Ledge Scheelite Showing | Tungsten | Occurrence | MRDS | |
| Woodstock Sand & Gravel | Construction Sand and Gravel | Surface | Intermittent | MSHA |
| Woodstock Silver Mine | Lead, Zinc, Silver | Underground | Past Producer | MRDS |
| Woodward Mica Mine | Mica | Surface | Prospect | MRDS |